diff --git a/INSTALL b/INSTALL
index fa03d37b..4dc81dcd 100644
--- a/INSTALL
+++ b/INSTALL
@@ -33,9 +33,7 @@ must be 5.10 or newer.
 
 Generating documentation:
 
-- asciidoc - text document format tool
-- xmlto - text document format tool
-- source-highlight - optional, only for generating HTML output
+- sphinx
 
 XATTR library should be provided by the standard C library or by
 
diff --git a/README.md b/README.md
index d3bae184..901c2e81 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ This repository hosts following utilities and also documentation:
 
 * **btrfs** — the main administration tool ([manual page](https://btrfs.wiki.kernel.org/index.php/Manpage/btrfs))
 * **mkfs.btrfs** — utility to create the filesystem ([manual page](https://btrfs.wiki.kernel.org/index.php/Manpage/mkfs.btrfs))
-* all-in-one binary in the busybox style with mkfs.btrfs, btrfs-image and other tools built-in ([standalone tools](https://github.com/kdave/btrfs-progs/blob/master/Documentation/btrfs.asciidoc#standalone-tools))
+* all-in-one binary in the busybox style with mkfs.btrfs, btrfs-image and other tools built-in ([standalone tools](https://github.com/kdave/btrfs-progs/blob/master/Documentation/btrfs.rst#standalone-tools))
 * **libbtrfsutil** (LGPL v2.1) — C and python 3 bindings, see [libbtrfsutil/README.md](libbtrfsutil/README.md) for more
 * manual pages and documentation source published at [btrfs.readthedocs.io](https://btrfs.rtfd.io)